<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<script>
			var strs=[1,2,3];
//			for(var i=0;i<strs.length;i++){
//				document.write(strs[i]+"<br/>")
//			}
			for(var x in strs){
				document.write(strs[x]+"<br/>")
			}
		</script>
	</body>
</html>
